Help
Options
Question
What type of waves does matter in the medium move back and forth at right angles to the direction the wave travels?
click to flip
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't know
Question
A material (solid, liquid, or gas) through which a wave transfers energy is called a?
Remaining cards (74)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
DHS PS Ch. 9
DHS PS Ch. 9 - Waves (2015)
| Question | Answer |
|---|---|
| What type of waves does matter in the medium move back and forth at right angles to the direction the wave travels? | transverse |
| A material (solid, liquid, or gas) through which a wave transfers energy is called a? | medium |
| An example of a wave through the ground is called a _____? | seismic wave |
| Sound would not travel through this type of medium? | vacuum |
| What type of waves are sound waves? | longitudinal |
| A repeating disturbance that transfers energy through matter or open space is a ______? | wave |
| All waves carry _______ . | energy |
| In what type of waves does matter in the medium move back and forth and in the same direction the wave travels? | longitudinal |
| What type of wave can travel through outer space? | light |
| An example of a combination of longitudinal and transverse waves that cause things to bob in a circular motion are called ______ ? | water waves |
| What is a measure of the energy in a wave? | amplitude |
| What are the highest points of a transverse wave called? | crests |
| _________ is how many wavelengths pass a fixed point each second? | frequency |
| The lowest points of a transverse wave are called? | troughs |
| What is the less dense region of a compressional wave called? | rarefaction |
| Transverse waves do not have? | rarefactions |
| As a frequency increases, wavelength _____? | decreases |
| A repeating disturbance or movement that transfers energy throughmatter or space is called a? | wave |
| Molecules pass energy on to? | neighboring molecules |
| All waves are produced by something that? | vibrates |
| What type of waves can travel only through matter? | mechanical waves |
| What is an example of a transverse wave? | a wave on a rope |
| What type of waves does the matter in the medium move in the same direction that the wave travels? | longitudinal waves |
| An example of a longitudinal wave is? | sound waves |
| The highest point in a wave is called? | crests |
| The lowest points in a wave is called? | troughs |
| The distance between one point in the wave and the nearest point just like it is called? | wavelength |
| How many wavelengths pass a fixed point each second is called? | frequency |
| Frequency is expressed in? | hertz (Hz) |
| As frequency increases, the wavelength? | decreases |
| The frequency of a wave equals the rate of? | vibration of the souce that creates it |
| How fast a wave moves forward is called? | wave velocity |
| Light waves travel _____ than sound waves. | faster |
| Sound waves travel faster in ________ than in a gas. | liquids and solids |
| Light waves travel faster in _____ and empty space than in liquids and solids. | gases |
| The more energy a wave carries, its amplitude will be? | greater |
| Amplitude of compressional waves is related to how? | tightly the medium is pushed together at the compression |
| The denser the compressions, the ______ the amplitude is and the more energy the wave carries | larger |
| The less dense the rarefactions, the ______ the amplitude and the more energy the wave carries. | larger |
| In a thunderstorm, why do you see the lightning before you hear the thunder? | Light waves travel much faster than sound waves |
| When does reflection happen? | when a wave strikes an object and bounces off of it |
| What types of waves can be reflected? | all waves |
| The angle of incidence of a wave is always equal to the angle of? | reflection |
| An imaginary line perpendicular to reflective surface is called? | normal |
| The angle formed by the wave striking the surface and the normal is called? | angle of incidence |
| The angle formed by the reflected wave and the normal is called? | angle of reflection |
| The bending of a wave caused by a change in its speed as it moves from one medium to another is called a? | refraction |
| The greater the change in speed is, the _____ a wave bends. | more |
| When a wave passes into a material that slows it down, the wave is bent _________. | toward the normal |
| When a wave passes into a material that speeds it up, the wave is bent __________. | away from the normal |
| An object that causes a wave to change direction and bend around it is called a? | diffraction |
| If the obstacle is smaller than the wavelength, the wave diffracts? | around it |
| If the obstacle is larger than the wavelength, the wave _______. | reflects instead of diffracting |
| The larger the obstacle is compared to the wavelength, the _______ waves will diffract. | less |
| The ability of two or more waves to combine and form a new wave is called? | interference |
| Waves pass right through each other and continue in? | their original direction |
| New, or composite, waves exist only while the two original waves continue to? | overlap |
| This is when waves add together? | constructive interference |
| This is when waves subtract from each other? | destructive interference |
| What type of wave is a wave pattern that stays in one place? | standing waves |
| What type of waves from when waves of equal wavelength and amplitude that are traveling in opposite directions continuously interfere with each other? | standing waves |
| The places where two waves always cancel each other is called? | nodes |
| What is the ability of an object to vibrate by absorbing energy at its natural frequency? | resonance |
| If you stand next to a swimming pool and see an object under water, it will seem to be? | closer to the surface than it really is |
| The ability of an object to vibrate by absorbing energy at its natural frequency is called? | resonance |
| How does temperature of a medium affect the speed of sound waves? | as the temperature of a substance increases, sound waves in it move faster |
| When you squeeze together the coils of a spring and then release the, you a creating what type of wave? | longitudinal |
| A tuning fork starts to vibrate when a certian note is played on the piano. This is an example of? | resonance |
| Frequency is best explained as? | the number of wavelengths that pass a point per second |
| Resonance refers to an effect in which the ? | vibration of one object causes another object to vibrate at natural frequencies |
| A wave will travel only as long as it has what to carry it? | energy |
| For a given wave, if the frequency doubles, the wavelength? | is halved |
| The energy a wave carries is measured by it's? | amplitude |
| You are creating a wave on a spring. If you start shaking the spring more slowly, the wavelength of the resulting wave will? | increase |
| The unit used to measure frequency is called? | hertz |
Created by:
basmith
Popular Physical Science sets